[Turbofan] Add CallConstructWithSpread JSOperator.

src/compiler/js-operator.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_JS_OPERATOR_H_
 #define V8_COMPILER_JS_OPERATOR_H_
 
 #include "src/base/compiler-specific.h"
 #include "src/globals.h"
 #include "src/runtime/runtime.h"
@@ skipping 62 matching lines @@
 
 bool operator==(CallConstructParameters const&, CallConstructParameters const&);
 bool operator!=(CallConstructParameters const&, CallConstructParameters const&);
 
 size_t hash_value(CallConstructParameters const&);
 
 std::ostream& operator<<(std::ostream&, CallConstructParameters const&);
 
 CallConstructParameters const& CallConstructParametersOf(Operator const*);
 
+// Defines the arity for a JavaScript constructor call with a spread as the last
+// parameters. This is used as a parameter by JSCallConstructWithSpread
+// operators.
+class CallConstructWithSpreadParameters final {
+ public:
+  explicit CallConstructWithSpreadParameters(uint32_t arity) : arity_(arity) {}
+
+  uint32_t arity() const { return arity_; }
+
+ private:
+  uint32_t const arity_;
+};
+
+bool operator==(CallConstructWithSpreadParameters const&,
+                CallConstructWithSpreadParameters const&);
+bool operator!=(CallConstructWithSpreadParameters const&,
+                CallConstructWithSpreadParameters const&);
+
+size_t hash_value(CallConstructWithSpreadParameters const&);
+
+std::ostream& operator<<(std::ostream&,
+                         CallConstructWithSpreadParameters const&);
+
+CallConstructWithSpreadParameters const& CallConstructWithSpreadParametersOf(
+    Operator const*);
 
 // Defines the arity and the call flags for a JavaScript function call. This is
 // used as a parameter by JSCallFunction operators.
 class CallFunctionParameters final {
  public:
   CallFunctionParameters(size_t arity, float frequency,
                          VectorSlotPair const& feedback,
                          TailCallMode tail_call_mode,
                          ConvertReceiverMode convert_mode)
       : bit_field_(ArityField::encode(arity) |
@@ skipping 378 matching lines @@
   const Operator* CallFunction(
       size_t arity, float frequency = 0.0f,
       VectorSlotPair const& feedback = VectorSlotPair(),
       ConvertReceiverMode convert_mode = ConvertReceiverMode::kAny,
       TailCallMode tail_call_mode = TailCallMode::kDisallow);
   const Operator* CallRuntime(Runtime::FunctionId id);
   const Operator* CallRuntime(Runtime::FunctionId id, size_t arity);
   const Operator* CallRuntime(const Runtime::Function* function, size_t arity);
   const Operator* CallConstruct(uint32_t arity, float frequency,
                                 VectorSlotPair const& feedback);
+  const Operator* CallConstructWithSpread(uint32_t arity);
 
   const Operator* ConvertReceiver(ConvertReceiverMode convert_mode);
 
   const Operator* LoadProperty(VectorSlotPair const& feedback);
   const Operator* LoadNamed(Handle<Name> name, VectorSlotPair const& feedback);
 
   const Operator* StoreProperty(LanguageMode language_mode,
                                 VectorSlotPair const& feedback);
   const Operator* StoreNamed(LanguageMode language_mode, Handle<Name> name,
                              VectorSlotPair const& feedback);
@@ skipping 51 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_